Juniper EX4300 Series Hardware Manual page 350

Table 96: Causes and Remedies for Temperature Alarms
Cause
Fan module or fan tray has
failed.
Restricted airflow through the
switch due to insufficient
clearance around the installed
switch.
Release History Table
Release Description
14.1X53 Starting in Junos OS Release 14.1X53, a Raw Report can be generated from the log messages being
loaded in the Events Detail table.
14.1X53 Starting in Junos OS Release 14.1X53, a Formatted Report can be generated from event log messages
being loaded in an Events Detail table.
Remedy
Perform the following steps:
1. Check the fan.
2. Replace the faulty fan module or fan tray.
3. If the above two checks show no problems, open a support case using the
Case Manager link at https:/ /www.juniper.net/support/
1-888-314-5822 (toll-free within the United States and Canada) or
1-408-745-9500 (from outside the United States).
Ensure that there is sufficient clearance around the installed switch.
(Continued)
or call
340